<!DOCTYPE html>
<html>
    <head lang="en">
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    </head>
    <body>
        <div id="app">
            {{ message }}
        </div>
        <div id="app-2">
            <span :title="message2">
                鼠标悬停几秒钟查看此处动态绑定的提示信息
            </span>
        </div>
        <script type="text/javascript">
            var app = new Vue({
                el: '#app',
                data: {
                message: 'Hello Vue!'
             }
            });

            var app2 =new Vue({
                el:'#app-2',
                data:{message2:'页面加载于'+new Date().toLocaleString()}
            });

            
        </script>
    </body>
</html>